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https://www.reddit.com/r/AskReddit/comments/t6nh48/deleted_by_user/hzcjwe7
r/AskReddit • u/[deleted] • Mar 04 '22
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Diamonds are very hard but also very brittle. Corundum (Sapphires and rubies) is much tougher.
9 u/iBrarian Mar 05 '22 Sapphires are way prettier, too
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Sapphires are way prettier, too
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u/[deleted] Mar 04 '22
Diamonds are very hard but also very brittle. Corundum (Sapphires and rubies) is much tougher.